diff --git a/Graphics/Kuronons b/Graphics/Kuronons
index aa9bb02dc..664b7644e 160000
--- a/Graphics/Kuronons
+++ b/Graphics/Kuronons
@@ -1 +1 @@
-Subproject commit aa9bb02dce3410ec283ab14cbd6dd614f7590c48
+Subproject commit 664b7644e3b8d8680736639dd2a0a6196b45e7a7